As you know bedeutet auf Arabisch

Englisch	Arabisch
know be acquainted or familiar with	عَرَفَ
know be certain or sure about (something)	عَرَفَ عَلِمَ
know have knowledge of	دَرَى عَرَفَ
know of To be aware of (someone's or something's) existence	علم
know-how the knowledge and skill to be able to do something correctly	بَرَاعَةf حِذْقm دِرَايَةf مَهَارَةf
you know expression signifying a pause or hesitation	يَعْنِي
you-know-who known and unmentioned person	تَعْرِفَانِ مَن تَعْرِفُ مَن تَعْرِفُونَ مَن تَعْرِفِينَ مَن تَعْرِفْنَ مَن
in the know informed, aware	عَلَى عِلْم
get to know to become acquainted with someone	تَعَرَّفَ

as you know bedeutet auf Arabisch